<template>
  <!-- 导入表 -->
  <el-dialog title="导入表" v-model="visible" width="60%" top="5vh" append-to-body>
    <el-form :model="queryParams" ref="queryForm" :inline="true">
      <el-form-item label="表名称" prop="tableName">
        <el-input
          v-model="queryParams.tableName"
          placeholder="请输入表名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="表注释" prop="tableTxt">
        <el-input
          v-model="queryParams.tableTxt"
          placeholder="请输入表注释"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="default" @click="handleQuery">查询</el-button>
        <el-button icon="el-icon-refresh" size="default" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    <el-row>
      <el-table @row-click="clickRow" :row-key="getRowKeys" ref="table" border :data="dbTableList" @selection-change="handleSelectionChange" height="260px">
        <el-table-column type="selection" width="55" :reserve-selection="true"></el-table-column>
        <el-table-column prop="tableName" label="表名称" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="tableTxt" label="表注释" :show-overflow-tooltip="true"></el-table-column>
        <el-table-column prop="isNull" label="是否导入">
          <template #default="scope">
           <span>{{scope.row.isNull == 1?'未导入':'已导入'}}</span>
          </template>
        </el-table-column>
        <el-table-column prop="tableSchema" label="当前数据库名称"></el-table-column>
      </el-table>
      <Pagination
        class="pageChange"
        :total="total"
        :page.sync="queryParams.pageNum"
        :limit.sync="queryParams.pageSize"
        @pagination="pagination"
      />
    </el-row>
    <template #footer>
    <div slot="footer" class="dialog-footer">
      <el-button type="primary" @click="handleImportTable">确 定</el-button>
      <el-button @click="cancle">取 消</el-button>
    </div>
    </template>
  </el-dialog>
</template>

<script>
import api from "@/api";
import Pagination from "@/components/Pagination/index.vue";
export default {
  components:{Pagination},
  data() {
    return {
      // 遮罩层
      visible: false,
      // 选中数组值
      tables: [],
      // 总条数
      total: 0,
      // 表数据
      dbTableList: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        tableName: undefined,
        tableComment: undefined
      }
    };
  },
  methods: {
    //记忆列表切换分页选中的数据
    getRowKeys(row) {
      return row.tableName
    },
    /**
     * 获取分页参数
     */
    pagination({ page, limit }) {
      this.queryParams.pageNum = page;
      this.queryParams.pageSize = limit;
      this.getList();
    },
    // 显示弹框
    show() {
      this.getList();
      this.visible = true;
    },
    clickRow(row) {
      this.$refs.table.toggleRowSelection(row);
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.tables = selection.map(item => item.tableName);
    },
    // 查询表数据
    getList() {
      api.sysFormTable.ImportList(this.queryParams).then(res => {
        if (res.code === 200) {
          this.dbTableList = res.rows;
          this.total = res.total;
        }
      }).catch(err=>{
        this.$message.error(err.msg)
      });
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.$refs.table.clearSelection();
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.$refs.queryForm.resetFields();
      this.$refs.table.clearSelection();
      this.handleQuery();
    },
    /** 导入按钮操作 */
    handleImportTable() {
      const tableNames = this.tables.join(",");
      if (tableNames == "") {
        this.$message.error("请选择要导入的表");
        return;
      }
      api.sysFormTable.importTable({ tableNames: tableNames }).then(res => {
        this.$message.success(res.msg);
        if (res.code === 200) {
          this.visible = false;
          this.$emit("ok");
          this.$refs.table.clearSelection();
        }
      });
    },
    cancle(){
      this.visible = false;
      this.$refs.table.clearSelection();
    },
  }
};
</script>
<style lang="less" scoped>
.pageChange{
  position: relative;
  left: 800px;
}
</style>
